[PATCH v2 22/27] mm: Add wait_on_folio_locked & wait_on_folio_locked_killable
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-01-18 17:11:37
Also in:
linux-fsdevel, lkml
Subsystem:
page cache, the rest · Maintainers:
Matthew Wilcox, Jan Kara, Linus Torvalds
Turn wait_on_page_locked() and wait_on_page_locked_killable() into wrappers. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/pagemap.h | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 619bfc6ea1ff..d28b53f91275 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h@@ -729,21 +729,29 @@ extern int wait_on_folio_bit_killable(struct folio *folio, int bit_nr); * ie with increased "page->count" so that the page won't * go away during the wait.. */ -static inline void wait_on_page_locked(struct page *page) +static inline void wait_on_folio_locked(struct folio *folio) { - struct folio *folio = page_folio(page); if (FolioLocked(folio)) wait_on_folio_bit(folio, PG_locked); } -static inline int wait_on_page_locked_killable(struct page *page) +static inline int wait_on_folio_locked_killable(struct folio *folio) { - struct folio *folio = page_folio(page); if (!FolioLocked(folio)) return 0; return wait_on_folio_bit_killable(folio, PG_locked); } +static inline void wait_on_page_locked(struct page *page) +{ + wait_on_folio_locked(page_folio(page)); +} + +static inline int wait_on_page_locked_killable(struct page *page) +{ + return wait_on_folio_locked_killable(page_folio(page)); +} + extern void put_and_wait_on_page_locked(struct page *page); void wait_on_folio_writeback(struct folio *folio);
--
2.29.2